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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
9 Move and Compare – FNC 10 to FNC 19
9.6 FNC 15 – BMOV / Block Move
9.6 FNC 15 – BMOV / Block Move
Outline
This instruction transfers (copies) a specified number of data all at once.
1. Instruction format
2. Set data
3. Applicable devices
S1: This function is supported only in FX3G/FX3GC/FX3U/FX3UC PLCs.
S2: This function is supported only in FX
3U/FX3UC PLCs.
Explanation of function and operation
BMOV instruction transfers "n" points of data from to all at once.
• If the device number range is exceeded, data is transferred within the possible range.
Transfer is enabled even if the transfer number range is overlapped.
To prevent overwriting before transfer of source data, data is automatically transferred in the order "[1] → [2] → [3]"
according to the number overlap status.
Operand Type Description Data Type
Transfer source data or device number storing data 16-bit binary
Transfer destination device number 16-bit binary
n Number of transferred points [n ≤ 512] 16-bit binary
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G V Z Modify K H E ""P
S1 S2
S1 S2
n
P
FNC 15
BMOV
−
−
Mnemonic Operation Condition
16-bit Instruction
7 steps
BMOV
BMOVP
Mnemonic Operation Condition
Continuous
Operation
Pulse (Single)
Operation
32-bit Instruction
S
D
S
D
S
D
FNC 15
BMOV
n
"n" points
S D
Command
input
…
…
S D
+1
S
+1
D
+(n-1)
S
+(n-1)
D
D9
D10
D11
D10
D11
D12
D11
D12
D13
D10
D11
D12
X001
FNC 15
BMOV
D10 D9 K3
X002
FNC 15
BMOV
D10 D11 K3
[1]
[2]
[3]
[3]
[2]
[1]